IP Intelligence Briefing: 54.38.147.47
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Provider: OVH (AS16276)
- Organization: Ahrefs Pte Ltd (London, UK)
- Geolocation: London, England, GB (validated via DNS/RTT)
- Network Role: Hosting infrastructure (firewalled, no public services)
- Threat Indicators: No malicious activity detected (no blacklists, campaigns, or DNS anomalies).
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**2. Observation History**
- Recent Activity (30 Days):
- DNS Resolution: Linked to `proxy-uk005-san47.ahrefs.net` (legitimate Ahrefs subdomain).
- Geolocation: Consistent with London, UK (avg RTT: 90ms, accuracy ±750km).
- BGP Stability: Route stable (no recent changes).
- Subnet Abuse: Subnet `54.38.147.0/24` has 0.3789 abuse density (moderate risk).
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**3. Relationships**
- DNS Associations:
- Resolves to `proxy-uk005-san47.ahrefs.net` (Ahrefs infrastructure).
- Network Links:
- Same ASN (OVH) and subnet (`54.38.147.0/24`).
- No Known Threat Links: No connections to malicious domains, campaigns, or C2 servers.
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**4. Neighborhood Analysis**
- Subnet: `54.38.147.0/24` (256 IPs)
- Risk Distribution:
- 19 IPs flagged as medium risk, 81 low risk.
- 97 neighbors classified as threats (likely benign due to subnet abuse density).
- Notable Neighbors:
- IPs with risk scores โฅ50 (potential anomalies, monitor for lateral movement).
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**5. Recommendations**
- Monitor Subnet: Track activity in `54.38.147.0/24` for unusual traffic patterns.
- Verify DNS: Confirm `proxy-uk005-san47.ahrefs.net` is legitimate (Ahrefs is a known SEO tool).
- Firewall Rules:
- Allow traffic from this subnet if required for legitimate operations.
- Block high-risk neighbors in the subnet if they are not part of your infrastructure.
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Conclusion:
The IP is associated with Ahrefs, a legitimate company, and shows no signs of malicious activity. However, the subnet has moderate abuse density, so continuous monitoring is advised. No immediate action required for this IP, but watch for anomalies in the broader network.
Source: IPDebrief Threat Intelligence Platform.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | proxy-uk005-san47.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk005-san47.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 22% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 23% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-18 03:23:27 UTC |
| Last Seen | 2026-06-28 06:47:48 UTC |
| Profile Built | 2026-06-29 00:53:33 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.